Use of telehealth and outcomes before a visit to the emergency department: a cross-sectional study on walk-in patients in Switzerland. Swiss Medical Weekly, [S. l.], v. 151, n. 2930, p. w20543, 2021. DOI: 10.4414/smw.2021.20543. Disponível em: https://smw.ch/index.php/smw/article/view/3036. Acesso em: 9 dec. 2025.